Patents by Inventor Michael Tweedle

Michael Tweedle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8444954
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: May 21, 2013
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Patent number: 8420053
    Abstract: Improved compounds for use in diagnostic imaging or therapy having the formula M-N-O-P-G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N-O-P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound are further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: April 16, 2013
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Patent number: 8414864
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N—O—P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: April 9, 2013
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund R. Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf E. Swenson, Michael Tweedle
  • Patent number: 7922998
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: April 12, 2011
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20110052491
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M—N—O—P—G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: August 31, 2009
    Publication date: March 3, 2011
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Patent number: 7611692
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M—N—O—P—G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: November 3, 2009
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20080247946
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N—O—P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Application
    Filed: August 25, 2006
    Publication date: October 9, 2008
    Applicant: BRACCO IMAGING S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund R. Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20080008649
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: May 21, 2007
    Publication date: January 10, 2008
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf Swenson, Michael Tweedle, Mary Maddalena
  • Publication number: 20070269375
    Abstract: Stabilized radiopharmaceutical formulations are disclosed. Methods of making and using stabilized radiopharmaceutical formulations are also disclosed. The invention relates to stabilizers that improve the radiostability of radiotherapeutic and radiodiagnostic compounds, and formulations containing them. In particular, it relates to stabilizers useful in the preparation and stabilization of targeted radiodiagnostic and radiotherapeutic compounds, and, in a preferred embodiment, to the preparation and stabilization of radiodiagnostic and radiotherapeutic compounds that are targeted to the Gastrin Releasing Peptide Receptor (GRP-Receptor).
    Type: Application
    Filed: July 23, 2004
    Publication date: November 22, 2007
    Applicant: Bracco Imaging S.p.A.
    Inventors: Jianqing Chen, Karen Linder, Edmund Marinelli, Edmund Metcalfe, Adrian Nunn, Rolf Swenson, Michael Tweedle
  • Publication number: 20070231257
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N—O—P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Application
    Filed: August 25, 2006
    Publication date: October 4, 2007
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf Swenson, Michael Tweedle
  • Patent number: 7226577
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N-O-P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N-O-P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: June 5, 2007
    Assignee: Bracco Imaging, S. p. A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund R. Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20070086944
    Abstract: The invention provides radiopharmaceuticals for diagnostic and therapeutic applications, conjugates of antioxidants with metal chelating ligands, intermediate compounds, methods of making such radiopharmaceuticals, ligands, and intermediate compounds, and kits for preparing the radiopharmaceutical complexes.
    Type: Application
    Filed: November 20, 2006
    Publication date: April 19, 2007
    Applicant: BRACCO INTERNATIONAL B.V.
    Inventors: Ramachandran Ranganathan, Hong Fan, Michael Tweedle, Rolf Swenson
  • Publication number: 20070077197
    Abstract: Diagnostic and therapeutic compositions in the form of complexes for enhancing transmembrane transport of a diagnostic or therapeutic agent and methods for their use. The complexes contain the ?, ?, or bis isomers of folate receptor-binding analogs of folate, a metal chelated by a ligand, and in one embodiment, a chemotherapeutic agent.
    Type: Application
    Filed: September 25, 2006
    Publication date: April 5, 2007
    Applicant: Bracco International B.V.
    Inventors: Paul Wedeking, Ruth Wager, Thangavel Arunachalam, Kondareddiar Ramalingam, Karen Linder, Ramachandran Ranganathan, Adrian Nunn, Nataranjan Raju, Michael Tweedle
  • Publication number: 20060263303
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Application
    Filed: May 5, 2006
    Publication date: November 23, 2006
    Applicant: Bracco International BV
    Inventors: Mathew Von Wronski, Edmund Marinelli, Adrian Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael Tweedle, Karen Linder, Palaniappa Nanjappan, Natarajan Raju
  • Publication number: 20060258566
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Application
    Filed: May 5, 2006
    Publication date: November 16, 2006
    Applicant: Bracco International BV
    Inventors: Mathew Von Wronski, Edmund Marinelli, Adrian Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael Tweedle, Karen Linder, Palaniappa Nanjappan, Natarajan Raju
  • Publication number: 20060239914
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: February 10, 2006
    Publication date: October 26, 2006
    Applicant: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf Swenson, Michael Tweedle
  • Publication number: 20060153775
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Application
    Filed: January 27, 2006
    Publication date: July 13, 2006
    Applicant: Bracco International B.V.
    Inventors: Mathew Von Wronski, Edmund Marinelli, Adrian Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael Tweedle, Karen Linder, Palaniappa Nanjappan, Natarajan Raju
  • Publication number: 20060018830
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: June 24, 2005
    Publication date: January 26, 2006
    Applicant: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf Swenson, Michael Tweedle
  • Publication number: 20050090689
    Abstract: Novel metal-chelate complexes comprising aminocarboxylate ligands including substituted aromatic amide moieties, such as those having the formula wherein R13, A1, R1 and R2 are as defined herein, are disclosed.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 28, 2005
    Applicant: Bracco International B.V.
    Inventors: Radhakrishna Pillai, Sang Kang, Edmund Marinelli, Ramachandran Ranganathan, Michael Tweedle
  • Publication number: 20040253225
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: April 20, 2004
    Publication date: December 16, 2004
    Inventors: Enrico Cappelleti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle